Apple Music is addictive. Not only can you access a huge library of streaming music but you can also explore to the world’s biggest digital music store -- but there’s a big problem for iTunes Match users when they’re out and about.

You see, Apple Music lets you download music you like for playback when your device is offline, great if you happen to be…

… on underground mass transit and can’t get online. … on an airplane in Airplane Mode and can’t get online. … in...